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Communication Dans Un Congrès Année : 2007

Observer design for systems with nonsmall and unknown time-varying delay

Résumé

This paper deals with the design of observers for linear systems with unknown, time-varying, but bounded delays (on the state and on the input). In this work, the problem is solved for a class of systems by combining the unknown input observer approach with an adequate choice of a Lyapunov-Krasovskii functional for non small delay systems. This result provides workable conditions in terms of rank assumptions and LMI conditions. The dynamic properties of the observer are also analyzed. A 4th-order example is used to demonstrate the feasibility of the proposed solution.
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Dates et versions

inria-00179798 , version 1 (16-10-2007)

Identifiants

  • HAL Id : inria-00179798 , version 1

Citer

Alexandre Seuret, Thierry Floquet, Jean-Pierre Richard, Sarah K. Spurgeon. Observer design for systems with nonsmall and unknown time-varying delay. TDS'07, IFAC Workshop on Time Delay Systems, IFAC, Sep 2007, Nantes, France. ⟨inria-00179798⟩
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